Improvements can be in concentration.Logical formLearned from7 sentences. Concentration can be in a saliva.Logical formLearned from7 sentences. A person can be deep in concentration.Logical formLearned from7 sentences. Concentration can be in exercise.Logical formLearned from7 sentences. Stands may throw_off concentration.Logical formLearned from7 sentences. A (concentration camp) can be lawless.Logical formLearned from7 sentences. Concentration of power can be dangerous.Logical formLearned from7 sentences. Minerals may undergo concentration.Logical formLearned from7 sentences. Levels may be associated with concentrations of some (liver enzymes).Logical formLearned from7 sentences. Delegates can be constituted-of-or-filled-with concentration.Logical formLearned from7 sentences. Concentration can be absorbed.Logical formLearned from7 sentences. Concentration can be on a road.Logical formLearned from7 sentences. Victims may pertain-to (concentration camps).Logical formLearned from7 sentences. Kids may undergo concentration.Logical formLearned from7 sentences. (Water droplets) may undergo concentration.Logical formLearned from7 sentences.